Hetlioz (tasimelteon), Neupro (rotigotine transdermal system), and Silenor (doxepin) can treat specific sleep disorders like insomnia. Over-the-counter (OTC) sleep aids like melatonin can also ...

Solubility is one of those properties that are essential for the medication to have its intended effect, and yet it depends on the crystal structure assumed by the molecules in the pill or, in this ...